MOTION
What is Speed?
The measure of how fast an object moves.
How do you calculate the distance an object traveled?
Distance = speed x time
What are 3 ways acceleration can happen?
1. Speed up/ increasing speed
2. Slow down/ decreasing speed (deceleration)
3. Change direction
Fill in the blank: The amount of inertia an object has depends on the object's ___________.
Mass
What is Weight?
The force of gravity that pulls an object toward the center of the Earth.
Fill in the blank: Speed is a ________.
Rate
How do you find the time it takes an object to trave?
Time = distance / speed
What is a Force?
A push or a pull
What is Newton's SECOND Law of Motion?
Explains how force, mass, and acceleration are related.
Force = mass x acceleration
Using a scale, we measure the force of gravity on an object.
What is Velocity?
The speed and direction of an object
What did Sir Isaac Newton discover?
The 3 laws of motion and the law of gravity
What is Newton's THIRD Law of Motion?
Whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first. One force is the ACTION force, one force is the REACTION force.
What is the difference between mass and weight?
Distance and time.
What is the difference between Speed and Velocity?
Speed is how fast something is traveling
Velocity is speed in a given direction
What is Newton's FIRST Law of Motion?
The Law of Inertia:
An object at rest will remain at rest. An object in motion will remain in motion unless acted upon by an outside force.
The force that one surface exerts on another when the two rub against each other. Only acts in the opposite direction of motion.
What is Energy and what is the unit for Energy?
The ability to work or cause change.
The unit for energy is the Joule.
How do you calculate the speed of an object?
Speed = distance/time.
What is Acceleration?
The rate at which velocity changes
What is Inertia?
The tendency of an object to resist change in its motion
What is Gravity?
A force which pulls objects toward each other. Holds the planets in orbit around the sun, what keeps the moon in orbit around the Earth, what gives us weight, and what keeps us on the ground and causes objects to fall.
What is Kinetic Energy?
What is Potential Energy?
What is Elastic Potential Energy?
What is Gravitational Potential Energy?
Kinetic: The energy of motion
Potential: Stored energy
Elastic Potential: Stored energy that can be stretched or compressed
Gravitational Potential: Stored energy that depends on height